Whether you have a Roku device or not, you can take advantage of all the free offerings of the Roku channel. The ad-supported streaming service features tons of great movies and TV series as well as live channels on demand. Intrusions from commercials are minimal and can be shorter and less frequent than ad breaks on some paid subscription services.

There's a lot of stuff you can see on the Roku channel, so it can be hard to narrow down a few choices. From vintage TV to current shows to obscure imports, the Roku channel is full of series worth watching for free. Here are 3 of the best shows you can stream for free now on your Roku channel.

Amid the sitcom boom of the 1990s, which produced enduring classics like "Friends" and "Seinfeld," this workplace comedy is often overlooked. It's just as notable as its better-known counterparts, though, with top-notch ensembles, endearing characters, clever wordplay, goofy slapstick, and some still timely corporate satire.

Dave Foley of "The Kids in the Hall" leads a cast featuring Maura Tierney, Vicki Lewis, Stephen Root and the late Phil Hartman, and plays a quirky employee of an am talk radio station in New York City. The cast also includes future controversial podcast host Joe Logan, but "NewsRadio" isn't about biased political commentary, and its humor is about the current event, whether it's focused on office romance between Foley and Tierney characters, or randomly appearing on the Space Station. Re-imagining the radio station as an online, "NewsRadio" is creative, quirky and hilarious.

Watch on Roku Channel

Clive Owen plays the famous hard-boiled detective Sam Spade of Daciel Hammett, the protagonist of the classic film "The Maltese Falcon," in a series that imagines his life in his golden age. This version of spades retired and lives in the south of France in 1963."When a group of nuns were murdered in a nearby monastery, he was pulled back into a crime-solving, leading Spade into a labyrinth-like conspiracy worthy of Hammett himself.

Owen updates Humphrey Bogart's iconic portrayal of Spades, while creators Scott Frank and Tom Fontana combine film noir elements with a more topical narrative about the lingering effects of war. Tired Spade reveals the secrets buried in his small French town while facing difficult decisions from his own past.

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The alien invasion series, "Colony," which keeps aliens off-screen, lives in Nazi-occupied France as well as by foreign forces. Not interested in wiping out humanity. Instead, they enlist the power of human cooperatives to keep the masses in line, allowing them to continue living under severe restrictions.

Josh Holloway and Sarah Wayne Callies play a Los Angeles couple who are initially on the other side of an alien confrontation.And without realizing it. They finally fought back, in a series that combines suspense action scenes with a complex examination of human ability for betrayal for the benefit of self-preservation

Seen on the Roku channel